Linux vi/vim commonly used commands

What is vim : vim is a text editor developed from vi; vi is a text editor that comes with the unix like system;

Three modes :

• Command mode (Command mode) to
  vim 文件名start the vim editor, enter the command mode

  command	meaning
  i	Switch to input mode to enter characters
  x	Delete the character at the current cursor
  :	Switch to bottom line command mode to enter commands on the bottom line

• Insert mode

  command	meaning
  ENTER	Wrap
  ACK SPACE	Backspace, delete the character before the cursor
  OF	Delete key, delete one character after the cursor
  Arrow key	Move the cursor in the text
  HOME/END	Move the cursor to the beginning/end of the line
  Page Up/Page Down	Page up/down
  ESC	Exit input mode and switch to command mode

• Last line mode

  command	meaning
  :w	Save changes
  :q	drop out
  :q!	Do not save and exit, the effect is equivalent to uppercase ZQ
  wq	Save and exit, the effect is equivalent to uppercase ZZ